微波预处理对磁铁矿选矿效果的影响研究
Mining and Metallurgy(2017)
Abstract
采用微波对矿石进行加热预处理,使得矿物被更好地解离,提高了磁铁矿的磁选精矿产率和精矿品位.结果表明,当微波功率达到3 kW时,磁铁矿的磁选精矿产率由未处理原矿时的44%提高到72%;磁选电流为2.0A时,磁选精矿产率达到最大,为60%;且经过微波加热处理的矿石在磁选后,其精矿产品品位较原矿(50.2%)提高了6% ~8%.
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